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Oracle Database 12c Security by William Maroulis, David Knox, Scott Gaetjen

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CHAPTER11

Oracle Transparent Data Encryption: Securing for the Compliance Regulations, Cybersecurity, and Insider Threats

Transparent Data Encryption (TDE) is a transparent way to encrypt data in a database. The encryption is transparent because it occurs below the Structured Query Language (SQL) layer. The database engine automatically encrypts and decrypts data as it reads and writes it from the file system. In this chapter, we’ll explore how to use TDE and discuss some of the advantages of using it. First, we’ll put TDE in perspective with the various other Oracle encryption mechanisms.

Oracle has offered some level of cryptographic support ...

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